@article{DE_2000_36_3_a9,
     author = {A. S. Berdyshev},
     title = {The basis property of a system of root functions of a nonlocal problem for a third-order equation with a parabolic-hyperbolic operator},
     journal = {Differencialʹnye uravneni\^a},
     pages = {372--376},
     publisher = {mathdoc},
     volume = {36},
     number = {3},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2000_36_3_a9/}
}